Answer:
(5,10)
Step-by-step explanation:
(-10x + 7y = 20)8 -80x + 56y = 160
(8x - 6y = -20)10 + 80x - 60y = -200
-4y = -40
y = 10
Plug 1 in for y into the first equation
-10x + 7(10) = 20
-10x + 70 = 20
- 70 - 70
-10x = -50
x = 5
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